This booking photo provided by the Lebanon Police Department shows Travis Frink on Tuesday, Sept. 12, 2017. Frink is charged with first-degree murder in the death of his 70-year-old mother, Pamela Ferriere, whom he shot on Tuesday in the intensive care unit at Dartmouth-Hitchcock Medical Center in Lebanon, N.H. Frink was arraigned Wednesday. (Lebanon Police Department via AP)

Travis Frink, of Warwick, Rhode Island, stands with his attorney, Public Defender Rebecca McKinnon, during his arraignment in Grafton County Superior Court in North Haverhill, N.H., on Sept. 13, 2017. Frink, 48, is charged with first-degree murder in the death of his 70-year-old mother, Pamela Ferriere, on Tuesday in the intensive care unit at Dartmouth-Hitchcock Medical Center in Lebanon, N.H. (Jennifer Hauck/The Valley News via AP, Pool)

Travis Frink, of Warwick, Rhode Island, stands with his attorney, Public Defender Rebecca McKinnon, during his arraignment in Grafton County Superior Court in North Haverhill, N.H., on Wednesday, Sept. 13, 2017. Frink is charged with first-degree murder in the death of his 70-year-old mother, Pamela Ferriere, whom he shot on Tuesday in the intensive care unit at Dartmouth-Hitchcock Medical Center in Lebanon, N.H. (Jennifer Hauck /The Valley News via AP, Pool)

Travis Frink, of Warwick, Rhode Island, stands with his attorney, Public Defender Rebecca McKinnon, during his arraignment in Grafton County Superior Court in North Haverhill, N.H., on Sept. 13, 2017. Frink, 48, is charged with first-degree murder in the death of his 70-year-old mother, Pamela Ferriere, on Tuesday in the intensive care unit at Dartmouth-Hitchcock Medical Center in Lebanon, N.H. (Jennifer Hauck/The Valley News via AP, Pool)

First responders and Dartmouth Hitchock Medical Center staff help a patient onto an evacuating bus during an active shooter incident on Tuesday, Sept. 12, 2017, at the medical center in Lebanon, N.H. A family member shot and killed a 70-year-old female patient in the Intensive Care Unit earlier in the afternoon. (Charles Hatcher/The Valley News via AP)

At the intersection of LaHaye Drive and Mount Support Road in Lebanon, N.H., authorities cordon off the Ford Escape SUV driven by a suspect in an active shooting incident at Dartmouth-Hitchcock Medical Center on Sept. 12, 2017. A family member shot and killed a 70-year-old female patient in the Intensive Care Unit earlier in the afternoon. (Jennifer Hauck/The Valley News via AP)

A suspect in an active shooter incident at Dartmouth-Hitchcock Medical Center was pulled from a grey Ford Escape at the intersection of LaHaye Drive and Mount Support Road in Lebanon, N.H., on Tuesday, Sept. 12, 2017. The Lebanon Department of Public Safety confirmed that someone was taken into custody shortly before 3 p.m. following reports of an active shooter at Dartmouth-Hitchcock Medical Center. (Jennifer Hauck/The Valley News via AP)

First responders, doctors, staff, patients, their family members and others wait near the main entrance of Dartmouth Hitchock Medical Center during an active shooter incident on Tuesday, Sept. 12, 2017, at the medical center in Lebanon, N.H. A family member shot and killed a 70-year-old female patient in the Intensive Care Unit earlier in the afternoon. (Charles Hatcher/The Valley News via AP)

NORTH HAVERHILL, N.H. (AP) — The Latest on a Rhode Island man accused of fatally shooting his mother at New Hampshire's largest hospital (all times local):

7:40 p.m.

An autopsy on a woman police say was killed by her son in a New Hampshire hospital shows she was shot four times and died from the gunshot wounds.

New Hampshire Attorney General Gordon McDonald says the autopsy was completed Wednesday and found 70-year-old Pamela Ferriere was shot in the chest, abdomen and pelvis.

Police have accused Ferriere's 48-year-old son, Travis Frink, of Warwick, Rhode Island, of killing her at Dartmouth-Hitchcock Medical Center on Tuesday. She was in the intensive care unit, being treated for an aneurysm.

Frink has pleaded not guilty to murder.

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4:50 p.m.

A neighbor of the patient who was fatally shot in a New Hampshire hospital says she enjoyed baking Halloween cookies for neighborhood children and hearing the kids' laughter.

Patti Oakley, of Groton, says she knew 70-year-old Pamela Ferriere for several years. She said her heart was broken when she heard she was killed.

Police have accused Ferriere's son, 48-year-old Travis Frink, of Warwick, Rhode Island, of killing her at Dartmouth-Hitchcock Medical Center on Tuesday. She was in the intensive care unit, being treated for an aneurism.

Frink pleaded not guilty Wednesday to first-degree murder.

The town of Groton released a statement saying Ferriere was active in local government activities, including serving as supervisor of the voter checklist. She also was active in church.

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4 p.m.

Officials at New Hampshire's largest hospital say employees were well-trained to respond to the fatal shooting of a patient and the lockdown that resulted in an arrest.

Officials at Dartmouth-Hitchcock Medical Center say they are reviewing their security procedures but feel comfortable that they can continue to provide a safe environment for patients.

Forty-eight-year-old Travis Frink was arrested Tuesday on hospital grounds in the slaying of his 70-year-old mother inside the intensive care unit. Frink pleaded not guilty Wednesday to a first-degree murder charge.

The chief clinical officer at Dartmouth-Hitchcock Medical Center says only five surgeries were postponed on Tuesday. The hospital typically has as many as 20 to 28 operations going on at once.

Other patients with appointments were taken care of outside the complex.

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1:25 p.m.

A Rhode Island man accused of fatally shooting his mother in the intensive care unit of New Hampshire's largest hospital has pleaded not guilty and is being held without bail.

Travis Frink is charged with first-degree murder in the death of his mother, 70-year-old Pamela Ferriere. She was fatally shot Tuesday at Dartmouth-Hitchcock Medical Center, where she was being treated for an aneurysm.

The 48-year-old Frink was handcuffed and said nothing in court.

Prosecutor Jane Young asked that Frink have no contact with his stepfather, Robert Ferriere, who told police he witnessed the shooting. Defense lawyer Rebecca McKinnon agreed to the request.

A police affidavit says Frink told officers he went to the hospital to kill his mother. No reason or motive was given.

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11:30 a.m.

The husband of a woman fatally shot in a New Hampshire hospital says he saw his stepson point a gun at her and fire several shots before walking away, without saying a word.

A police affidavit says Robert Ferriere then called for help Tuesday.

The affidavit says Travis Frink was later arrested and told police he went to Dartmouth-Hitchcock Medical Center to kill his mother, 70-year-old Pamela Ferriere. She had suffered an aneurism and was in the intensive care unit. She was to be discharged Friday.

The 48-year-old Frink was scheduled to be arraigned Wednesday on a murder charge.

Robert Ferriere told The Associated Press he had no idea why his stepson would want to kill his mother.

The New Hampshire hospital where a man was arrested in the fatal shooting of his mother inside the intensive care unit is back up and running.

Dartmouth-Hitchcock Medical Center in Lebanon tweeted photos and messages of employees getting back to work Wednesday, a day after the active shooter alert and lockdown. Some workers evacuated and others sheltered in place Tuesday.

CEO Joanne Conroy says the medical center is hosting a town hall meeting for employees Wednesday to discuss next steps as workers recover from this "traumatic event."

Travis Frink, of Warwick, Rhode Island, is scheduled to be arraigned Wednesday on murder charges in the death of his 70-year-old mother, Pamela Ferriere, of Groton, New Hampshire.

It wasn't immediately clear if he had a lawyer who could comment on the charge.

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10:15 a.m.

A Rhode Island man accused of fatally shooting his mother in the intensive care unit of New Hampshire's largest hospital has worked a number of computer systems jobs.

Travis Frink's LinkedIn page includes a long list of experience in computer systems administration and technical support jobs in Rhode Island, Connecticut, New York and Massachusetts.

Messages left with the company listed as his current employer weren't immediately returned.

Several of Frink's neighbors in Warwick said he mostly kept to himself.

The 48-year-old Frink was scheduled to be arraigned Wednesday on murder charges in the death of 70-year-old Pamela Ferriere, of Groton, New Hampshire.

Ferriere's husband, Robert, said in a brief phone interview that he had no idea why it happened.

He said, "I'm not a mind reader," before hanging up.

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This story has been updated to show Frink is 48, not 49.

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9:45 a.m.

Little is known about a Rhode Island man accused of fatally shooting his mother in the intensive care unit of New Hampshire's largest hospital, but his Facebook page shows he got engaged last December.

Travis Frink was scheduled to be arraigned at 1 p.m. Wednesday on murder charges.

Authorities say the 48-year-old Warwick man signed into the visitor center at Dartmouth-Hitchcock Medical Center in Lebanon on Tuesday afternoon and went to the intensive care unit. Soon after, Lebanon police received an emergency call reporting shots had been fired there.

Frink's wife and 3-year-old son were found dead in 2013 inside a running car that reeked of alcohol and vomit.

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This story has been updated to show Frink is 48, not 49.

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2:05 a.m.

A Rhode Island man accused of fatally shooting his mother in the intensive care unit of New Hampshire's largest hospital is set to be arraigned on murder charges.

Authorities say Travis Frink signed into the visitor center at Dartmouth-Hitchcock Medical Center in Lebanon on Tuesday and went to the intensive care unit, where there were reports of shots fired soon after.

Attorney General Gordon MacDonald identifies the shooting victim as Frink's 70-year-old mother, Pamela Ferriere, of Groton. He says the 48-year-old Frink, of Warwick, Rhode Island, went to the hospital with the intent of killing her. He says more than one shot was fired but no one else was injured.

Authorities say Frink was detained as he tried to leave the hospital. Frink is in custody and can't be reached for comment.